Darien, King of Kjeldor, Terror of the Peaks, and Angel's Grace

Prerequisites

• Darien, King of Kjeldor on the battlefield
• Terror of the Peaks on the battlefield
• Angel's Grace in hand
• You have a way to cause a creature to enter the battlefield under your control
• available

Steps

1. Cast Angel's Grace by paying
2. Cause a creature to enter the battlefield under your control
3. Terror of the Peaks triggers, dealing damage to you equal to the creature's power, with your life total becoming no lower than 1 due to Angel's Grace
4. Darien triggers, creating a number of 1/1 Soldier creature tokens equal to the damage dealt to you
5. When the Soldiers enter the battlefield, Terror of the Peaks triggers that many times
6. Resolve the first trigger, dealing 1 damage to you, with your life total becoming no lower than 1 due to Angel's Grace
7. Repeat from step 3

Results

• Infinite creature tokens
• Infinite ETB